Genesis 11:20 KJV
And Reu lived two and thirty years, and begat Serug:
Genesis 11:20, King James Version
In context
19 And Peleg lived after he begat Reu two hundred and nine years, and begat sons and daughters.
20 And Reu lived two and thirty years, and begat Serug:
21 And Reu lived after he begat Serug two hundred and seven years, and begat sons and daughters.